package com.atguigu.gulimall.order.interceptor;

import com.atguigu.common.constant.ums.AuthServerConstant;
import com.atguigu.common.vo.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 添加拦截器，如果没有登录跳到登录页面，登录就把用户信息添加到threadLocal
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {

    public static ThreadLocal<MemberRespVo> threadLocal = new ThreadLocal<>();



    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws IOException {

        String uri  = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        boolean statusMatch = antPathMatcher.match("/order/order/status/**", uri);
        boolean payedMatch = antPathMatcher.match("/payed/notify", uri);

        if(statusMatch || payedMatch){
            return true;
        }

        MemberRespVo attribute = (MemberRespVo) request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute != null) {
            threadLocal.set(attribute);
            return true;
        } else {
            // 未登录
            request.getSession().setAttribute("msg", "请先登录！");
            response.sendRedirect("http://auth.gulimall.com/login.html");
            return false;
        }
    }
}

